Home / 10,427.48-14,385.76-6,441.60

Finding the Fourth Proportional to 10,427.48, 14,385.76 and 6,441.60

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Solution

The fourth proportional to 10,427.48, 14,385.76 and 6,441.60 is: 8,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.48 : 14,385.76 = 6,441.60 : x
  2. Step 2: Convert to fraction form
    10,427.48/14,385.76 = 6,441.60/x
  3. Step 3: Cross multiply
    10,427.48x = 14,385.76 × 6,441.60
  4. Step 4: Simplify right side
    10,427.48x = 92,667,311.62
  5. Step 5: Solve for x
    x = 92,667,311.62/10,427.48
  6. Step 6: Final answer
    x = 8,886.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.